Common Questions & Troubleshooting How do I test the 1171449 flame sensor

Inspect the burner for a weak

provided the capacitance (5 MFD) remains identical

Technical professionals rely on this brass suction cap to provide a reliable mechanical seal

Durable Material: High-resilience neoprene gasket construction offers superior resistance to environmental degradation and oil mist

Johnson Controls T-4002-5017 Dial Common Questions & Troubleshooting HowThe Johnson Controls T 4002 5017 Dial is a critical replacement component designed for horizontal mounted thermostats within the T 4000 series pneumatic control systems. This external set point dial facilitates precise manual adjustments of the pneumatic thermostat setpoint, allowing technicians to calibrate or modify space temperature settings without removing the protective cover. Engineered for high volume output thermostats, the dial features a